Answer:
1 km= 1000 meters
9 km= 9000 meters
19 km= 19000 meters
9000
+19000
----------
28000 meters
Explanation:
Hope this helps!
Please mark me as Brainlieast!
Explanation:
Bauxite.
Because bauxite it mainly aluminium oxide however with some impurities
therefore its taken to a bauxite plant where the impurities are removed and the result is white aluminium oxide ( alumina).
Aluminium is then extracted from alumina by electrolysis
In order for an ecosystem<span> to be self-</span>sustaining, it must have<span> a continuous flow of energy and be able to recycle materials</span>
A dependent variable in biology is the variable that depends on the other variables...